Run Techstream on Desktop
Pop-up: Java can be obtained from the web? NO!
Go to Setup->Techstream Configuration
Select Area: Europe, Language: English,
Connect to Vehicle
Enter the new key with the help of “key” text in disk E:
Initializing USB communication
Connecting to vehicle…
Techstream 12.00.127 diagnose VIOS ok

NOTE:
This how-to’s is for users with MINI VCI, MVCI 3 in 1
For users with Toyota OTC2 diagnostic tool , please refer the video below: